diff options
Diffstat (limited to 'arch/arm/cpu/ixp/npe/IxEthAccMii.c')
| -rw-r--r-- | arch/arm/cpu/ixp/npe/IxEthAccMii.c | 410 |
1 files changed, 0 insertions, 410 deletions
diff --git a/arch/arm/cpu/ixp/npe/IxEthAccMii.c b/arch/arm/cpu/ixp/npe/IxEthAccMii.c deleted file mode 100644 index d282aa6725..0000000000 --- a/arch/arm/cpu/ixp/npe/IxEthAccMii.c +++ /dev/null @@ -1,410 +0,0 @@ -/** - * @file IxEthAccMii.c - * - * @author Intel Corporation - * @date - * - * @brief MII control functions - * - * Design Notes: - * - * IXP400 SW Release version 2.0 - * - * -- Copyright Notice -- - * - * @par - * Copyright 2001-2005, Intel Corporation. - * All rights reserved. - * - * @par - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the Intel Corporation nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * @par - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @par - * -- End of Copyright Notice -- - */ - -#include "IxOsal.h" -#include "IxEthAcc.h" -#include "IxEthAcc_p.h" -#include "IxEthAccMac_p.h" -#include "IxEthAccMii_p.h" - - -PRIVATE UINT32 miiBaseAddressVirt; -PRIVATE IxOsalMutex miiAccessLock; - -PUBLIC UINT32 ixEthAccMiiRetryCount = IX_ETH_ACC_MII_TIMEOUT_10TH_SECS; -PUBLIC UINT32 ixEthAccMiiAccessTimeout = IX_ETH_ACC_MII_10TH_SEC_IN_MILLIS; - -/* ----------------------------------- - * private function prototypes - */ -PRIVATE void -ixEthAccMdioCmdWrite(UINT32 mdioCommand); - -PRIVATE void -ixEthAccMdioCmdRead(UINT32 *data); - -PRIVATE void -ixEthAccMdioStatusRead(UINT32 *data); - - -PRIVATE void -ixEthAccMdioCmdWrite(UINT32 mdioCommand) -{ - REG_WRITE(miiBaseAddressVirt, - IX_ETH_ACC_MAC_MDIO_CMD_1, - mdioCommand & 0xff); - - REG_WRITE(miiBaseAddressVirt, - IX_ETH_ACC_MAC_MDIO_CMD_2, - (mdioCommand >> 8) & 0xff); - - REG_WRITE(miiBaseAddressVirt, - IX_ETH_ACC_MAC_MDIO_CMD_3, - (mdioCommand >> 16) & 0xff); - - REG_WRITE(miiBaseAddressVirt, - IX_ETH_ACC_MAC_MDIO_CMD_4, - (mdioCommand >> 24) & 0xff); -} - -PRIVATE void -ixEthAccMdioCmdRead(UINT32 *data) -{ - UINT32 regval; - - REG_READ(miiBaseAddressVirt, - IX_ETH_ACC_MAC_MDIO_CMD_1, - regval); - - *data = regval & 0xff; - - REG_READ(miiBaseAddressVirt, - IX_ETH_ACC_MAC_MDIO_CMD_2, - regval); - - *data |= (regval & 0xff) << 8; - - REG_READ(miiBaseAddressVirt, - IX_ETH_ACC_MAC_MDIO_CMD_3, - regval); - - *data |= (regval & 0xff) << 16; - - REG_READ(miiBaseAddressVirt, - IX_ETH_ACC_MAC_MDIO_CMD_4, - regval); - - *data |= (regval & 0xff) << 24; - -} - -PRIVATE void -ixEthAccMdioStatusRead(UINT32 *data) -{ - UINT32 regval; - - REG_READ(miiBaseAddressVirt, - IX_ETH_ACC_MAC_MDIO_STS_1, - regval); - - *data = regval & 0xff; - - REG_READ(miiBaseAddressVirt, - IX_ETH_ACC_MAC_MDIO_STS_2, - regval); - - *data |= (regval & 0xff) << 8; - - REG_READ(miiBaseAddressVirt, - IX_ETH_ACC_MAC_MDIO_STS_3, - regval); - - *data |= (regval & 0xff) << 16; - - REG_READ(miiBaseAddressVirt, - IX_ETH_ACC_MAC_MDIO_STS_4, - regval); - - *data |= (regval & 0xff) << 24; - -} - - -/******************************************************************** - * ixEthAccMiiInit - */ -IxEthAccStatus -ixEthAccMiiInit() -{ - if(ixOsalMutexInit(&miiAccessLock)!= IX_SUCCESS) - { - return IX_ETH_ACC_FAIL; - } - - miiBaseAddressVirt = (UINT32) IX_OSAL_MEM_MAP(IX_ETH_ACC_MAC_0_BASE, IX_OSAL_IXP400_ETHA_MAP_SIZE); - - if (miiBaseAddressVirt == 0) - { - ixOsalLog(IX_OSAL_LOG_LVL_FATAL, - IX_OSAL_LOG_DEV_STDOUT, - "EthAcc: Could not map MII I/O mapped memory\n", - 0, 0, 0, 0, 0, 0); - - return IX_ETH_ACC_FAIL; - } - - return IX_ETH_ACC_SUCCESS; -} - -void -ixEthAccMiiUnload(void) -{ - IX_OSAL_MEM_UNMAP(miiBaseAddressVirt); - - miiBaseAddressVirt = 0; -} - -PUBLIC IxEthAccStatus -ixEthAccMiiAccessTimeoutSet(UINT32 timeout, UINT32 retryCount) -{ - if (retryCount < 1) return IX_ETH_ACC_FAIL; - - ixEthAccMiiRetryCount = retryCount; - ixEthAccMiiAccessTimeout = timeout; - - return IX_ETH_ACC_SUCCESS; -} - -/********************************************************************* - * ixEthAccMiiReadRtn - read a 16 bit value from a PHY - */ -IxEthAccStatus -ixEthAccMiiReadRtn (UINT8 phyAddr, - UINT8 phyReg, - UINT16 *value) -{ - UINT32 mdioCommand; - UINT32 regval; - UINT32 miiTimeout; - - if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED()) - { - return (IX_ETH_ACC_FAIL); - } - - if ((phyAddr >= IXP425_ETH_ACC_MII_MAX_ADDR) - || (phyReg >= IXP425_ETH_ACC_MII_MAX_REG)) - { - return (IX_ETH_ACC_FAIL); - } - - if (value == NULL) - { - return (IX_ETH_ACC_FAIL); - } - - ixOsalMutexLock(&miiAccessLock, IX_OSAL_WAIT_FOREVER); - mdioCommand = phyReg << IX_ETH_ACC_MII_REG_SHL - | phyAddr << IX_ETH_ACC_MII_ADDR_SHL; - mdioCommand |= IX_ETH_ACC_MII_GO; - - ixEthAccMdioCmdWrite(mdioCommand); - - miiTimeout = ixEthAccMiiRetryCount; - - while(miiTimeout) - { - - ixEthAccMdioCmdRead(®val); - - if((regval & IX_ETH_ACC_MII_GO) == 0x0) - { - break; - } - /* Sleep for a while */ - ixOsalSleep(ixEthAccMiiAccessTimeout); - miiTimeout--; - } - - - - if(miiTimeout == 0) - { - ixOsalMutexUnlock(&miiAccessLock); - *value = 0xffff; - return IX_ETH_ACC_FAIL; - } - - - ixEthAccMdioStatusRead(®val); - if(regval & IX_ETH_ACC_MII_READ_FAIL) - { - ixOsalMutexUnlock(&miiAccessLock); - *value = 0xffff; - return IX_ETH_ACC_FAIL; - } - - *value = regval & 0xffff; - ixOsalMutexUnlock(&miiAccessLock); - return IX_ETH_ACC_SUCCESS; - -} - - -/********************************************************************* - * ixEthAccMiiWriteRtn - write a 16 bit value to a PHY - */ -IxEthAccStatus -ixEthAccMiiWriteRtn (UINT8 phyAddr, - UINT8 phyReg, - UINT16 value) -{ - UINT32 mdioCommand; - UINT32 regval; - UINT16 readVal; - UINT32 miiTimeout; - - if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED()) - { - return (IX_ETH_ACC_FAIL); - } - - if ((phyAddr >= IXP425_ETH_ACC_MII_MAX_ADDR) - || (phyReg >= IXP425_ETH_ACC_MII_MAX_REG)) - { - return (IX_ETH_ACC_FAIL); - } - - /* ensure that a PHY is present at this address */ - if(ixEthAccMiiReadRtn(phyAddr, - IX_ETH_ACC_MII_CTRL_REG, - &readVal) != IX_ETH_ACC_SUCCESS) - { - return (IX_ETH_ACC_FAIL); - } - - ixOsalMutexLock(&miiAccessLock, IX_OSAL_WAIT_FOREVER); - mdioCommand = phyReg << IX_ETH_ACC_MII_REG_SHL - | phyAddr << IX_ETH_ACC_MII_ADDR_SHL ; - mdioCommand |= IX_ETH_ACC_MII_GO | IX_ETH_ACC_MII_WRITE | value; - - ixEthAccMdioCmdWrite(mdioCommand); - - miiTimeout = ixEthAccMiiRetryCount; - - while(miiTimeout) - { - - ixEthAccMdioCmdRead(®val); - - /*The "GO" bit is reset to 0 when the write completes*/ - if((regval & IX_ETH_ACC_MII_GO) == 0x0) - { - break; - } - /* Sleep for a while */ - ixOsalSleep(ixEthAccMiiAccessTimeout); - miiTimeout--; - } - - ixOsalMutexUnlock(&miiAccessLock); - if(miiTimeout == 0) - { - return IX_ETH_ACC_FAIL; - } - return IX_ETH_ACC_SUCCESS; -} - - -/***************************************************************** - * - * Phy query functions - * - */ -IxEthAccStatus -ixEthAccMiiStatsShow (UINT32 phyAddr) -{ - UINT16 regval; - printf("Regisers on PHY at address 0x%x\n", phyAddr); - ixEthAccMiiReadRtn(phyAddr, IX_ETH_ACC_MII_CTRL_REG, ®val); - printf(" Control Register : 0x%4.4x\n", regval); - ixEthAccMiiReadRtn(phyAddr, IX_ETH_ACC_MII_STAT_REG, ®val); - printf(" Status Register : 0x%4.4x\n", regval); - ixEthAccMiiReadRtn(phyAddr, IX_ETH_ACC_MII_PHY_ID1_REG, ®val); - printf(" PHY ID1 Register : 0x%4.4x\n", regval); - ixEthAccMiiReadRtn(phyAddr, IX_ETH_ACC_MII_PHY_ID2_REG, ®val); - printf(" PHY ID2 Register : 0x%4.4x\n", regval); - ixEthAccMiiReadRtn(phyAddr, IX_ETH_ACC_MII_AN_ADS_REG, ®val); - printf(" Auto Neg ADS Register : 0x%4.4x\n", regval); - ixEthAccMiiReadRtn(phyAddr, IX_ETH_ACC_MII_AN_PRTN_REG, ®val); - printf(" Auto Neg Partner Ability Register : 0x%4.4x\n", regval); - ixEthAccMiiReadRtn(phyAddr, IX_ETH_ACC_MII_AN_EXP_REG, ®val); - printf(" Auto Neg Expansion Register : 0x%4.4x\n", regval); - ixEthAccMiiReadRtn(phyAddr, IX_ETH_ACC_MII_AN_NEXT_REG, ®val); - printf(" Auto Neg Next Register : 0x%4.4x\n", regval); - - return IX_ETH_ACC_SUCCESS; -} - - -/***************************************************************** - * - * Interface query functions - * - */ -IxEthAccStatus -ixEthAccMdioShow (void) -{ - UINT32 regval; - - if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED()) - { - return (IX_ETH_ACC_FAIL); - } - - ixOsalMutexLock(&miiAccessLock, IX_OSAL_WAIT_FOREVER); - ixEthAccMdioCmdRead(®val); - ixOsalMutexUnlock(&miiAccessLock); - - printf("MDIO command register\n"); - printf(" Go bit : 0x%x\n", (regval & BIT(31)) >> 31); - printf(" MDIO Write : 0x%x\n", (regval & BIT(26)) >> 26); - printf(" PHY address : 0x%x\n", (regval >> 21) & 0x1f); - printf(" Reg address : 0x%x\n", (regval >> 16) & 0x1f); - - ixOsalMutexLock(&miiAccessLock, IX_OSAL_WAIT_FOREVER); - ixEthAccMdioStatusRead(®val); - ixOsalMutexUnlock(&miiAccessLock); - - printf("MDIO status register\n"); - printf(" Read OK : 0x%x\n", (regval & BIT(31)) >> 31); - printf(" Read Data : 0x%x\n", (regval >> 16) & 0xff); - - return IX_ETH_ACC_SUCCESS; -} - |
